[petsc-dev] regression in petsc4py

[Lisandro Dalcin]

My testsuite catched an issue when creating zero-sized BASIC AO's. It
is easy to reproduce (at least from Pyhon).

In [1]: from petsc4py import PETSc

In [2]: ao = PETSc.AO().createBasic([],[])
---------------------------------------------------------------------------
Error                                     Traceback (most recent call last)

/home/dalcinl/Devel/petsc4py-dev-tmp/<ipython console> in <module>()

/home/dalcinl/lib64/python/petsc4py/lib/arch-linux2-c-debug/PETSc.so
in petsc4py.PETSc.AO.createBasic (src/petsc4py.PETSc.c:112438)()

Error: error code 62
[0] AOCreateBasic() line 341 in
/home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c
[0] AOCreateBasicIS() line 383 in
/home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c
[0] AOSetType() line 47 in /home/devel/petsc/dev/src/dm/ao/interface/aoreg.c
[0] AOCreate_Basic() line 294 in
/home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c
[0] ISRestoreIndices() line 416 in
/home/devel/petsc/dev/src/vec/is/interface/index.c
[0] ISRestoreIndices_General() line 149 in
/home/devel/petsc/dev/src/vec/is/impls/general/general.c
[0] Invalid argument
[0] Must restore with value from ISGetIndices()


-- 
Lisandro Dalcin
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